Compostable Bags

Shanghai Exquisite Biochemical Co., Ltd.: Your Leading Compostable Bags Supplier

Shanghai Exquisite Biochemical Co., Ltd. is an enterprise specialized in the R&D, production and sales of compostable plastic material and products. We specialize in designing, manufacturing various kinds of compostable, biodegradable Eco-friendly polylactic acid (PLA) tableware and other household products.

Why Choose Us?

Quality control

Our material and products are certified with BPI(ASTM D6400), Din Certco(EN13432), and are food contact safe with FDA and EU test reports.

High quality

Our compostable tableware and other products are made of PLA and other compostable material. They are eco-friendly, non-toxic, food contact safe and naturally antibacterial.

Advanced equipment

Our company has tableware packing machine, injection molding machine, napkin folding machine etc.

Custom service

We provide compostable material and products to plastic manufacturers and end customers, and offer custom solutions according to customers' requirements.

Compostable Bag

Compostable Bag Manufacturer|Premium Compostable Bags for a Sustainable
Shopping Bag

Shopping Bags Bag on Roll Print Compostable Plastic T-shirt Plastic Logo
Piping Bag

PLA is a safe and eco-friendly plastic. Piping bags made from PLA are resistant
Gloves

100% Plant-Based Compostable Disposable Glove for Food | Customize your Brand
Die Cut Bag

multi-purpose multi-color biodegradable die cut bag for a Greener Future
Dog Poop Bag

Compostable Non-Plastic Disposable Poo Bag Customized Biodegradable Dog Poop Bag
Ziplock Bag

Biodegradable Compostable Custom Resealable Ziplock bags Packing for Clothes,
Transparent Self-adhesive Bag

The PLA Transparent Self-adhesive Bag is an eco-friendly packaging solution
Compostable Plastic Produce Bag

100% Compostable Grocery Bag Wholesale OK Compost Certified Supermarket

Benefits of Compostable Bags

Reduced plastic pollution

They break down quickly and safely, unlike traditional plastic bags, which take hundreds of years to decompose. This means that they do not accumulate in the environment, causing harm to wildlife and ecosystems.

Lower carbon footprint

Compostable bags are made from natural materials such as cornstarch, potato starch, or sugarcane, which means that they do not require the use of fossil fuels to produce. This reduces the carbon footprint associated with the production of plastic bags.

Less waste in landfills

Composting organic matter, including food and garden waste, reduces the amount of waste in landfills. When compostable bags are composted with other organic matter, they break down much faster than they would in a landfill, reducing the amount of waste sent to landfill sites.

Material of Compostable Bags

Ingredients: Natural materials like cornstarch, vegetable oil

Compostable bags are an eco-friendly alternative to traditional plastic bags. Unlike plastic, these are made from natural materials like coffee grounds, cornstarch, or vegetable oil. As a result, they break down into compost, which can be used to fertilize the soil. These are also typically stronger than plastic ones, so they can better resist tearing and breaking.

Application of Compostable Bags

Food packaging

Suitable for packaging fruits, vegetables, and cooked foods in compliance with food safety standards, with the added benefit of compostability.

Daily essentials

Ideal for packaging household items like garbage bags and shopping bags, contributing to reducing plastic pollution.

Horticulture and agriculture

Used as seed bags, seedling bags, and soil mulch films to enhance soil quality and support plant growth in horticultural and agricultural practices.

Environmental initiatives

Applied in packaging materials for environmental exhibitions and event giveaways, aligning with the principles of environmental protection.

Process of Compostable Bags

01/

Raw materials
The production process of compostable bags begins with the selection of suitable raw materials. These materials often include plant-based polymers such as cornstarch, sugarcane, or potato starch, which are renewable and biodegradable.

02/

Extrusion
Once the raw materials are sourced, they undergo an extrusion process. The materials are melted and formed into thin, flexible sheets, which will serve as the base for the compostable bags.

03/

Printing
After the extrusion process, the sheets may be printed with eco-friendly inks to add branding, logos, or other designs to the bags. This step allows for customization while maintaining the bags' compostable properties.

04/

Bag formation
The printed sheets are then cut and sealed to form the shape of the bags. This can be done using heat sealing or ultrasonic sealing techniques to create durable and reliable seams.

05/

Quality control
Before the bags are packaged for distribution, they undergo rigorous quality control measures to ensure that they meet industry standards for compostability and strength. This step is crucial in maintaining the integrity of the compostable bags.

06/

Biodegradability testing
Compostable bags are subjected to biodegradability testing to verify their ability to break down into natural elements within a specific timeframe. This testing ensures that the bags will decompose in a composting environment, leaving behind no harmful residues.

How to Cooperate With Us

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Packaging and Shipping

Packing

Retail packing: 1000boxes/Carton

Shipping

●For large quantity orders:
We cocperate with some international and shipping companies,so we can provide you with the best transportation service.

●For samples and small orders:
We ship from international express companies such as TNT,Fedex,Ups AND DHL etc.

FAQ

Q: What are compostable bags made of?

A: Compostable bags are usually made from biobased materials such as cornstarch, vegetable fats, and cellulose. These materials break down into natural components under composting conditions.

Q: How do compostable bags decompose?

A: Decomposition occurs when microorganisms in the composting environment break down the bag's molecular structure. Heat, moisture, oxygen, and microbes work together to turn the bag into organic matter.

Q: Can compostable bags be used for food waste collection?

A: Absolutely, compostable bags are well-suited for food waste collection. They can contain food scraps and garden waste without leaking or tearing, ensuring a clean and convenient disposal process.

Q: How do I dispose of compostable bags?

A: To ensure proper decomposition, compostable bags should be sent to a commercial composting facility. They might not break down effectively in home composts due to insufficient heat and microbial activity.

Q: Are compostable bags as strong as plastic bags?

A: While they may not be as strong as traditional plastic bags, compostable bags are generally strong enough for most household uses. They are designed to hold groceries, carry goods, and manage waste without tearing easily.

Q: Do compostable bags have any environmental benefits?

A: Yes, compostable bags significantly reduce the amount of plastic waste in landfills and oceans. They also lower greenhouse gas emissions compared to traditional plastic bags during their lifecycle.

Q: Can I recycle compostable bags?

A: Recycling compostable bags is not recommended because they can contaminate regular plastic recycling streams. Composting is the preferred method of disposal to utilize their full biodegradable potential.

Q: Is there a way to tell if a bag is truly compostable?

A: Look for certifications such as the Seedling logo or the compostable certification mark from organizations like BPI (Biodegradable Products Institute). These ensure the bags meet strict composting standards.

We're professional compostable bags manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade compostable bags for sale here from our factory.

trash bag, compostable transparent bakery bag, die cut bag